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<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script src="../vue.js"></script>
</head>
<body>
    <div id="app">
      <!-- 
        v-bind:vue中提供的用于绑定属性的命令,强制绑定数据(数据单向绑定 data ----》attr)

        比如你的class属性,style属性,value属性,href属性等等,只要是属性,就可以用v-bind指令进行绑定
        v-bind:attr="xxx":给attr属性强制绑定xxx数据
        v-bind可以简写为一个:(冒号)
       -->
       <h1 study="js">{{msg+1}}</h1>
       <h1 v-bind:study="study">{{msg+2}}</h1>
       <h1 v-bind:count="count+1">{{msg+3}}</h1>
       <h1 :isHot="isHot?'re':'leng'">{{msg+3}}</h1>
       <img v-bind:src="src" alt="">
       <img v-bind:src="'http://www.baidu.com/'+src" alt="">
       <input type="text" :value="msg"> 
</div>
     <script>
        Vue.config.production=false;
        const vm=new Vue({
            el:'#app',
            data() {
                return {
                    msg:"Hello Vue",
                    study:"Vue",
                    count:3,
                    src:"01.jpg",
                    isHot:true
                }
            }
        })
     </script>
    
</body>
</html>